The decision between traditional excavation and trenchless really depends on your specific situation and budget. We faced the same choice last year when tree roots completely destroyed our main sewer line. Initially thought we'd have to dig up our entire front yard and walkway, which would have been a nightmare. Eventually worked with specialists at https://bens.plumbing/services/sewer-line-repair-seattle/trenchless/ who evaluated our pipes with camera equipment and determined we were good candidates for trenchless repair. They were able to reline our entire sewer system without any excavation, which saved our landscaping and ended up being less expensive than traditional replacement would have been